It rain heavily,so we must,so we __ stay at home watching tv

It rain heavily,so we must,so we __ stay at home watching tv it snows heavily,so we ____stay at home.Ahave to it`s windy today,so we ____ stay at home 1.must 2.can 3.may We'better stay at home since it_____(rain) heavily outside. It's raining outside so we( )stay at home It's rainning heavily outside,so we have _______(stay) at ho It is raining so hard.we ahve to stay at home .we have (无处）t It is so hot that we can stay at home 或It is so hot that we It's (raining) hard .So I (must) stay (at home). shall we stay at home watching TV tonight?为什么要用watching而不是wa It ____(rain)outside.We should stay at home. It is____weather that we have to stay at home.B so bad a C s